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Phylogeny of hydradephagan water beetles inferred from 18S rRNA sequences.
Full-length 18S rRNA sequence for 84 species of Hydradephaga is presented, including representatives of most major groups down to the tribal level, and a total of 68 species of the largest family, Dytiscidae, indicating a single colonization of the aquatic medium. Expand
The origin of multiple sex chromosomes in tiger beetles.
The evolutionary origin of multiple sex chromosomes in Cicindelidae is analyzed by establishing the distribution of the multiple systems in major taxonomic groups in the context of a phylogenetic tree derived from 18S rRNA gene sequences. Expand
Testing whether ecological factors promote cladogenesis in a group of tiger beetles (Coleoptera: Cicindelidae)
No evidence is found that ecological disparity is associated with either species coexistence, speciation or long–term persistence and/or radiation of lineages in North American tiger beetles. Expand
Annual Report of the Library (2002-2003)
Holy Cross Libraries Annual Report FY2005
Modern California discovery 3rd
Psammocoryza vanemdeni , a new genus and species of scaritine beetle from the Atlantic coast of Brazil (Coleoptera: Carabidae: Clivinini)
A new genus of Clivinini, Psammocoryza Hogan new genus, and its type species P.vanemdeni Hogan new species (type locality Barra de Serinhaem, Pernambuco, Brazil), is described. Diagnostic featuresExpand
Partial revision of the Indo-Australian braconine wasp genus Gammabracon Quicke (Hymenoptera: Braconidae) with descriptions of new species from Indonesia (Mollucas), Malaysia, Philippines and Thailand
Paucity of discrete morphological variation makes separation of most of the species with orange-red mesosoma, black metasoma and conspicuous back setae currently unrealistic and it may be that there is a single widespread and morphologically variable species. Expand